730% is the change from 50 to 415
Calculation steps:
[( 415 - 50 ) ÷ 50] x 100 = 730%
Formula
Percentage change = [(415 - 50) / 50] x 100
Subtract the new number by the original number
415 - 50 = 365
365 ÷ 50 = 7.3
7.3 x 100 = 730%
Example